Water ionizer



FIG. 1 is a perspective view showing the top, rear and left side of the water ionizer according to my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a top plan view;

FIG. 5 is a rear elevational view;

FIG. 6 is a left side elevational view; and,

FIG. 7 is a bottom plan view. 

The ornamental design for a water ionizer, as shown and described. 